8c24d921b0
sample: examples\aliyun_iotkit_csdk_mqtt project: board\TencentOS_tiny_EVB_MX_Plus\KEIL\aliyun_iotkit_csdk_mqtt
95 lines
1.7 KiB
C
95 lines
1.7 KiB
C
/*
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* Copyright (C) 2015-2019 Alibaba Group Holding Limited
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*/
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#ifndef _AT_CONN_MGMT_H_
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#define _AT_CONN_MGMT_H_
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typedef enum netconn_type {
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NETCONN_INVALID = 0,
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/** TCP IPv4 */
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NETCONN_TCP,
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NETCONN_TYPE_NUM
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} netconn_type_t;
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/**
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* at connection module initialization
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*
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* @param null
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*
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* @return 0 : on success, -1: error
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*/
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int at_conn_init(void);
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/**
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* receive data from an at connection
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*
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* @param[in]: connection id;
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* @param[out]: pointer to output buffer
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* @param[in]: expect length
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*
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* @return 0 : on success, -1: error
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*/
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int at_conn_recv(int connid, void *mem, uint32_t len);
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/**
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* query ip from domain address
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*
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* @param[in]: domain address
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* @param[out]: query result
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*
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* @return 0 : on success, -1: error
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*/
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int at_conn_getaddrinfo(const char *nodename, char resultip[16]);
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/**
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* setup an new at connection
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*
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* @param[in]: connection type only tcp support
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*
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* @return 0 : on success, -1: error
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*/
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int at_conn_setup(netconn_type_t type);
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/**
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* start an at connection
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*
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* @param[in]: connection id
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* @param[in]: remote ip address
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* @param[in]: remote port
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*
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* @return 0 : on success, -1: error
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*/
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int at_conn_start(int connid, char* remoteipaddr, uint16_t remoteport);
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/**
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* close an at connection
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*
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* @param[in] connection id
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*
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* @return 0 : on success, -1: error
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*/
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int at_conn_close(int connid);
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/**
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* check whether recvbuf empty
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*
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* @param[in] connection id
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*
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* @return 0 : on success, -1: error
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*/
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int at_conn_recvbufempty(int connid);
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/**
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* send data through an at connection
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*
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* @param[in] connection id
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* @param[in] send buf pointer
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*
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* @return 0 : on success, -1: error
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*/
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int at_conn_send(int connid, const void *data, uint32_t size);
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#endif
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